Slater-Marietta, SC: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Slater-Marietta, Greenville County, South Carolina (SC). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
2:35 PM EST

2.6Risk: Moderate

(Updated 35 minutes ago.)

As of 2:35 PM EST, the UV Index in Slater-Marietta, SC is 2.6 (Moderate).
The UV Index is expected to fall to 1.7 (Low) between 3:00 PM - 4:00 PM EST today.

Hourly UV Index Forecast for Today
Sunday, February 8, 2026

8 AM11 AM2 PM5 PM8 PM11 PMEastern Standard Time (EST)0123456789101112Current Time: 2:35 PM, EST

UV Index Data sourced from the NOAA.


As of 2:35 PM EST today in Slater-Marietta, SC, the UV Index is currently at a moderate level of 2.6. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 1.7 at 3:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 6:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Slater-Marietta, SC

Today

Time RangeUV IndexRisk
8:00 AM - 11:00 AM (EST)0.2 - 1.9
Low
11:00 AM - 3:00 PM2.6 - 3.7
Moderate
3:00 PM - 12:00 AM0 - 1.7
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 11:00 AM (EST)0 - 1.7
Low
11:00 AM - 3:00 PM2.7 - 3.4
Moderate
3:00 PM - 12:00 AM0 - 1.7
Low

Detailed Hourly Slater-Marietta UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, EST)2.6
Moderate
3:00 PM - 4:00 PM 1.7
Low
4:00 PM - 5:00 PM 0.7
Low
5:00 PM - 6:00 PM 0.2
Low
6:00 PM - 7:00 PM 0
Low
7:00 PM - 8:00 PM 0
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

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